Hopper: java.lang.NullPointerException: Initializing game

This is an automatically generated report based from the following crash: http://hopper.minecraft.net/crashes/minecraft/MCX-2795449/

Crash:

java.lang.NullPointerException: Initializing game
	at bcw.a(SourceFile:743)
	at bcw.ar(SourceFile:620)
	at bcw.an(SourceFile:428)
	at bcw.a(SourceFile:377)
	at net.minecraft.client.main.Main.main(SourceFile:124)

The following is the first clean report made public about this crash:

---- Minecraft Crash Report ----
// Don't be sad. I'll do better next time, I promise!

Time: 28/05/16 4:37 PM
Description: Initializing game

java.lang.NullPointerException: Initializing game
	at bcw.a(SourceFile:743)
	at bcw.ar(SourceFile:620)
	at bcw.an(SourceFile:428)
	at bcw.a(SourceFile:377)
	at net.minecraft.client.main.Main.main(SourceFile:124)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Thread: Client thread
Stacktrace:
	at bcw.a(SourceFile:743)
	at bcw.ar(SourceFile:620)
	at bcw.an(SourceFile:428)

-- Initialization --
Details:
Stacktrace:
	at bcw.a(SourceFile:377)
	at net.minecraft.client.main.Main.main(SourceFile:124)

-- System Details --
Details:
	Minecraft Version: 16w21b
	Operating System: Windows 8.1 (amd64) version 6.3
	Java Version: 1.8.0_25, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 59167176 bytes (56 MB) / 152444928 bytes (145 MB) up to 1060372480 bytes (1011 MB)
	JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Launched Version: 16w21b
	LWJGL: 2.9.4
	OpenGL: ~~ERROR~~ RuntimeException: No OpenGL context found in the current thread.
	GL Caps: 
	Using VBOs: No
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Packs: 
	Current Language: ~~ERROR~~ NullPointerException: null
	Profiler Position: N/A (disabled)
	CPU: bcw$7@421056e5

You can see this full report at http://hopper.minecraft.net/crashes/minecraft/MCX-2795449/76517062/